Slack (flatpak) v4.15.0 fails to start on Fedora 34

I upgraded Slack a couple of minutes ago to version 4.15.0, and now it won’t start. The last lines of stderr output show:

(slack:2): Gtk-WARNING **: 09:53:04.282: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.
Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /run/host/share/icons/Adwaita/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)

Fedora was also upgraded, but it doesn’t seem related:

Packages Altered:
    Upgrade  nspr-4.31.0-1.fc34.x86_64               @updates
    Upgrade  nss-3.67.0-1.fc34.x86_64                @updates
    Upgrade  nss-softokn-3.67.0-1.fc34.x86_64        @updates
    Upgrade  nss-softokn-freebl-3.67.0-1.fc34.x86_64 @updates
    Upgrade  nss-sysinit-3.67.0-1.fc34.x86_64        @updates
    Upgrade  nss-tools-3.67.0-1.fc34.x86_64          @updates
    Upgrade  nss-util-3.67.0-1.fc34.x86_64           @updates
    Upgraded nspr-4.30.0-2.fc34.x86_64               @@System
    Upgraded nss-3.65.0-1.fc34.x86_64                @@System
    Upgraded nss-softokn-3.65.0-1.fc34.x86_64        @@System
    Upgraded nss-softokn-freebl-3.65.0-1.fc34.x86_64 @@System
    Upgraded nss-sysinit-3.65.0-1.fc34.x86_64        @@System
    Upgraded nss-tools-3.65.0-1.fc34.x86_64          @@System
    Upgraded nss-util-3.65.0-1.fc34.x86_64           @@System

Anyone else experiencing this?

1 Like

I expect this is Slack from FlatHub (since Slack is a proprietary tool and will not be included in Fedora). It’s best to file an issue with the FlatHub maintainers here since it’s probably something they need to look into: GitHub - flathub/com.slack.Slack

1 Like

Thanks @ankursinha ! I just checked, and it has already been reported :wink: Apparently, it also affects Debian Bullseye.

1 Like

Just wondering, but is there any reason why you don’t want to use the rpm directly from Slack? It’s on 4.17.0 right now…

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.